gen6_common.c revision 42542f5f 
1/*
2 * Copyright © 2011-2013 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Chris Wilson <chris@chris-wilson.co.uk>
25 *
26 */
27
28#ifdef HAVE_CONFIG_H
29#include "config.h"
30#endif
31
32#include "gen6_common.h"
33#include "gen4_vertex.h"
34
35void
36gen6_render_context_switch(struct kgem *kgem,
37			   int new_mode)
38{
39	if (kgem->nbatch) {
40		DBG(("%s: from %d to %d, submit batch\n", __FUNCTION__, kgem->mode, new_mode));
41		_kgem_submit(kgem);
42	}
43
44	if (kgem->nexec) {
45		DBG(("%s: from %d to %d, reset incomplete batch\n", __FUNCTION__, kgem->mode, new_mode));
46		kgem_reset(kgem);
47	}
48
49	assert(kgem->nbatch == 0);
50	assert(kgem->nreloc == 0);
51	assert(kgem->nexec == 0);
52
53	kgem->ring = new_mode;
54}
55
56void gen6_render_retire(struct kgem *kgem)
57{
58	struct sna *sna;
59
60	if (kgem->ring && (kgem->has_semaphores || !kgem->need_retire))
61		kgem->ring = kgem->mode;
62
63	sna = container_of(kgem, struct sna, kgem);
64	if (sna->render.nvertex_reloc == 0 &&
65	    sna->render.vbo &&
66	    !kgem_bo_is_busy(sna->render.vbo)) {
67		DBG(("%s: resetting idle vbo\n", __FUNCTION__));
68		sna->render.vertex_used = 0;
69		sna->render.vertex_index = 0;
70	}
71}
72